If we let ???
Clearly I have gone wrong somewhere....? Thanks
Note: This has been posted at PF approx week and a half ago. Unlikely to be answered at this stage. Gradient and Divergent Identities
I need to show that given
where and are the domain and boundary respectively. F,G and w are scalar functions...any ideas?
I attempted to expand the LHS but I didnt feel it was leading me anywhere...